Silicone Bung 14/18 mm with 9 mm Hole

This high-quality silicone bung (14/18 mm) is designed for secure sealing of fermentation vessels, flasks, carboys, and laboratory containers. Made from durable food-grade silicone, it provides a superior grip and longer lifespan compared to traditional rubber bungs.

The silicone material is highly resistant to temperature changes and remains completely taste- and odor-free, making it ideal for brewing, fermentation, and laboratory applications.

The integrated 9 mm hole allows easy installation of an airlock, blow-off tube, or other fermentation accessories.

Silicone stoppers
Durable fermentation stoppers used to seal fermentation vessels while allowing airlocks or tubing to be installed.

Usage

Homebrewing: Carboys, demijohns, and fermentation vessels
Winemaking: Fermentation containers and storage vessels
Laboratory: Flasks, test vessels, and tanks
Food & Beverage Processing: Small fermentation and storage containers

Quick facts

Material: Food-grade silicone
Size: 14 / 18 mm
Hole diameter: 9 mm
Temperature resistance: High heat resistant
Properties: Taste- and odor-free, durable, flexible